 |  | Structures and Fabricated Box Boom
The articulated frame design features a high-torsion, compact, load-absorbing, front frame and a large, box-section, engine-end frame. Fabricated boom and linkage geometry increase dump clearance, provide improved breakout and lift forces and increase the viewing area to the bucket corners. |
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Structures
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Full Box-Section Frame
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 | | Box-Shaped Tower
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Upper and Lower Hitch Pins
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Spread-Hitch Design
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Steering Cylinder Mounts
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 | | Fabricated Box Boom
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Fabricated Boom Box-Section Design
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 | | Power Train
The Cat C18 engine with ACERT® Technology is U.S. EPA Tier 3/EU Stage III compliant. The Cat transmission and impeller clutch torque converter offer smooth, consistent shifting with fingertip control. Electronic controls help increase productivity. |
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 | | Cat C18 Engine with ACERT® Technology
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Mechanically Actuated, Electronic Unit Injection (MEUI)
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Air Cleaners
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ADEM™ IV
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Air-to-Air Aftercooler (ATAAC)
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Separate Engine Cooling System
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 | | Next Generation Modular Radiator (NGMR)
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Electronically Controlled Cat Planetary Power Shift Transmission
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Demand Fan
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 | | Impeller Clutch Torque Converter (ICTC)
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Final Drives
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Heavy-Duty Axles
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Free-Floating Axle Shafts
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Optional Axle Oil Cooling System
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Axle-Shaft, Oil Disc Brakes
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Secondary Brakes
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Service Brakes
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 | | Hydraulics and Electronic Monitoring
Innovative electro-hydraulics play a key role in performance of the 988H and provide lower operator effort. Increased hydraulic efficiency improves lift and tilt cycle time for reduced overall cycle time. The tradition of reliable, high-performance Cat hydraulics continues. |
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 | | Electro-Hydraulic Control System
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Lift and Tilt System
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Two Position Main Hydraulic Pump
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Load Sensing Steering
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Case Drain Filtration
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Demand Fan
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Advanced Electronics
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 | | Caterpillar Monitoring System (EMS-III)
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Optional Payload Control System
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Optional Ride Control
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Loose Material Mode
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 | | Operator Station
Experience a high level of efficiency, comfort and productivity with one-hand STIC operation, a large cab, low-effort fingertip lift and tilt controls, improved operator visibility, reduced sound levels, improved ventilation and easier entry and exit. |
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World Class Cab
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STIC Control System
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Left Pedal
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Cat Comfort Seat
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Electro-Hydraulic Controls and Armrests
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Caterpillar Monitoring System (EMS-III)
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Throttle Lock
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 | | Rimpull Control System (RCS)
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Rimpull Control System (RCS) Switch
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Kickout Positioner Control
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 | | Optional Ride Control Switch
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Autoshift
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Optional Lock-up Clutch Torque Converter Switch
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Loose Material Operating Mode
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Front and Rear Window Wiper/Washer
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Viewing Area
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Electro-Hydraulic Lock-out Switch
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Optional Reversible Fan
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Optional Hazard Lights
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Optional Rotary Beacon
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Optional Autolube
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 | | Buckets and Ground Engaging Tools (GET)
Choose between 6.3 m3 (8.2 yd3) and 7.0 m3 (9.2 yd3) capacity buckets, spade edge and straight edge buckets and various GET to match job conditions. Cat buckets retain the proven shell-tine construction design for unmatched durability. |
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Buckets
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| | Spade Edge Rock Buckets
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 | | Straight Edge Buckets
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High Abrasion Bucket
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 | | Heavy Duty Quarry Bucket
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Bucket Controls
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Lift Circuit
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Tilt Circuit
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Mechanically Attached Wear Plates (MAWP)
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 | | Bucket Match
Improve machine performance and increase stability by selecting the right bucket for your application and material density. |
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 | | Buckets and GET
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 | | Application Truck Match
Increased performance and good pass matching make the 988H a versatile performer. |
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 | | Performance
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 | | Maintenance and Serviceability
Most daily maintenance checks are performed from the machine's left side, facilitating quick start up. Case drain filters for main hydraulic, steering and fan pumps protect against contamination, and remote pressure taps contribute to improved serviceability. Easy access to major components enhance serviceability and increase uptime. |
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Maintenance and Repair
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• Daily Maintenance Checks
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• Next Generation Modular Radiator (NGMR)
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• U-joints and Slipshaft
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• Lube Points
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• Swing-out Doors
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• Hinged Doors
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• Case Drain Filters
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• Batteries (1,000 CCA)
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• Shock Resistant Lights
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• Caterpillar Monitoring System (EMS-III)
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• Remote Mounted ECPC Pressure Taps
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• 500 Hour Oil Change Interval
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 | | Customer Support
Your Cat dealer offers a wide range of services that help you operate longer with lower costs. |
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Machine Selection
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Purchase
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Customer Support Agreements
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Product Support
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Operation
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Maintenance Services
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Replacement
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